package com.sky.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.fasterxml.jackson.databind.ser.Serializers;
import com.sky.constant.MessageConstant;
import com.sky.context.BaseContext;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.catalina.mbeans.UserMBean;
import org.openxmlformats.schemas.drawingml.x2006.chart.impl.CTLayoutModeImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;

/**
 * @author 侍从崇scc
 */
@Service
@Slf4j
public class UserServiceImpl implements UserService {
    @Autowired
    private WeChatProperties weChatProperties;
    public static final String WX_LOGIN = "https://api.weixin.qq.com/sns/jscode2session";

    @Autowired
    private UserMapper userMapper;
    @Override
    public User wxLogin(UserLoginDTO userLoginDTO) {
        String code = userLoginDTO.getCode();
        String openId=getOpenId(code);
        if(openId==null)
        {
            throw new LoginFailedException(MessageConstant.LOGIN_FAILED);
        }
        User user = userMapper.getOpenId(openId);
        if(user==null)
        {
            user= User.builder().openid(openId).build();
            userMapper.insert(user);
        }
        return user;

    }

    private String getOpenId(String code) {
        HashMap<String, String> map = new HashMap<>();
         map.put("appid",weChatProperties.getAppid());
         map.put("secret",weChatProperties.getSecret());
         map.put("js_code",code);
         map.put("grant_type","authorization_code");
        String json = HttpClientUtil.doGet(WX_LOGIN, map);
        JSONObject jsonObject = JSON.parseObject(json);
        String openid = jsonObject.getString("openid");
        return openid;
    }
}
